42455611 has 8 divisors (see below), whose sum is σ = 46363248. Its totient is φ = 38556000.

The previous prime is 42455603. The next prime is 42455641. The reversal of 42455611 is 11655424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42455611 - 2³ = 42455603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42455611.

It is not an unprimeable number, because it can be changed into a prime (42455641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16641 + ... + 19021.

It is an arithmetic number, because the mean of its divisors is an integer number (5795406).

Almost surely, 2^42455611 is an apocalyptic number.

42455611 is a deficient number, since it is larger than the sum of its proper divisors (3907637).

42455611 is a wasteful number, since it uses less digits than its factorization.

42455611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013.

The product of its digits is 4800, while the sum is 28.

The square root of 42455611 is about 6515.7970348991. The cubic root of 42455611 is about 348.8550641602.

The spelling of 42455611 in words is "forty-two million, four hundred fifty-five thousand, six hundred eleven".